Frank St. Marseille served one season as Kings assistant coach under Bob Berry in 1979-80. He was one of the first assistant coaches in Kings history.

St. Marseille joined the Kings coaching staff after spending the 1972-77 seasons in Los Angeles with the Kings. He also was a player coach with the Fort Worth Texans of the CHL in 1976-77 and the Nova-Scotia Voyageurs of the AHL in 1977-78.

For his career with the Kings, St. Marseille posted 54-114=168 in 304 games and appearing in 26 postseason games, scoring 1-1=2.

St. Marseille started his National Hockey League career with the St. Louis Blues in 1967 as an undrafted free agent. While with the Blues, he played in the Stanley Cup Finals three times, losing twice to the Canadiens and once to the Bruins. He would play with the Blues from 1967-73, when he was dealt to Los Angeles for Paul Curtis on Jan. 22, 1973.

For his career, he appeared in 707 games, scoring 140-285=425 while adding 20-25=45 in 88 post season games, advancing to the playoffs in nine of his 11 seasons.